摘要: lambda函数表达: package com.msb; public class LambdaTest { public static void main(String[] args) { //接口对象指向实现类,多态 Factory factory = new Sub(); User user 阅读全文
posted @ 2022-07-21 12:02 爱豆技术部 阅读(34) 评论(0) 推荐(0)